1098396 has 36 divisors (see below), whose sum is σ = 2991352. Its totient is φ = 337824.

The previous prime is 1098379. The next prime is 1098397. The reversal of 1098396 is 6938901.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1098396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706 + ... + 1641.

2^1098396 is an apocalyptic number.

It is an amenable number.

1098396 is an abundant number, since it is smaller than the sum of its proper divisors (1892956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098396 is a wasteful number, since it uses less digits than its factorization.

1098396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1098396 is about 1048.0438922106. The cubic root of 1098396 is about 103.1778120679.

The spelling of 1098396 in words is "one million, ninety-eight thousand, three hundred ninety-six".